please empty your brain below

Excellent write-up.

NASA's 16 second version of the 7.5 hours of the Transit, from the SDO (Solar Dynamic Observatory - 'telescope' on a satellite in space) here:

https://twitter.com/NASA/status/729771757880500224

(can't find the web-link so the Twitter version will have to do).
This it?

https://amp.twimg.com/v/2db72eeb-127c-4b6a-b4ca-095fbeb21302
Joho - that seems to be a different version of the Twitter link, not the NASA website version (which maybe isn't up yet...).
My composite image on the old blog...
http://www.planarchy.com/?p=738
I was one of the 8 million oblivious as to what was happening in the sky above me! Fascinating stuff though.

Such dedication to visit not one, but three sites to write about!
Thanks so much for taking us on this extended London jaunt to visit Mercury three times, a wonderful blog and most enjoyable. Sadly I missed it as I was enduring dental excavation; meanwhile, the planets sail around.
Somehow, observing a transit of Mercury (or other phenomena such as an eclipse) from a telescope in space seems like cheating: after all, if you are not constrained to be on the surface of Earth you can always find somewhere from where the Sun and the relevant other astronomical body are in line.
Ah, finally got somewhere near what I was seeking... for those who love space and its promise (not least for unlocking mysteries of our own solar system), and are able to see the value of space telescopes...

More Mercury Transit stills here:
http://mercurytransit.gsfc.nasa.gov/

A longer NASA Transit video here:
https://www.youtube.com/watch?v=AhWMOkrzKzs&feature=youtu.be


I guess this is a bit like Bus Stop M to some ;)
If you wait long enough at Bus Stop M one night when there's a full moon, legend has it that a ghostly 205 will transit St. Mary's Church...
Am I the only reader of your blog who also went to view the transit of Mercury yesterday? As you said DG, In your opening paragraph, 'we got lucky'. I viewed it from the courtyard outside the Royal Academy; definitely worth the 40 minute wait to reach the telescope and see another planet. Wonderful experience.
...and sorry if my comment sounded like an advert for my blog, just meant to share the pix.










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